User's Manual

Innovator CU0TD-1/CU0RD-1 – CU4TD/CU4RD Unpacking, Installation &

ATSC Transmitter/Regenerative Translator Maintenance

Instruction Manual, Rev. 2 30

Remote Signal

Name

Designation

Signal Type Description

Normally or has a Fault. Not available in

dual exciter systems.

(Low = OK : Floating = Fault)

Report Operate

Status

J12-14

Discrete Open Collector Output. –

Indicates whether system is in Operate

or Standby. Not available in dual exciter

systems.

(Low = Operate : Floating = Standby)

Status

Ground J12-15

Ground. Not Available in dual exciter

systems. Normally jumpered to J12-5.

HPA Input and Output Connections

Figure 4: Amplifier Rear Panel Connectors

NOTE: Some amplifier drawers only have a CB1 circuit breaker.

Port Type Function Impedance

J1 N RF Input: On Channel RF from CX driver drawer 50Ω

7/16”

(1.1cm)

Din

RF Output: On Channel RF Output 50Ω

J3 IEC AC Input: AC input connection to 230VAC Source N/A

J4 9 Pos D

Remote: Amplifier Control Interface

(Connects to J11 on the exciter/driver drawer)

N/A

J5 RJ-45 Serial data N/A

Front

Panel

BNC

RF Sample: Output Sample from Combiner thru

Control Board. In a CU500, the sample level is

approximately 70dB down from the output power

level of the drawer.

50Ω

Table 5: Amplifier Connectors

CB1